PC mobile fuel oil gun failure analysis and solutions
Symptom: mandrel at the oil spill
(1) Failure: no compression O-ring gland; exclusion method: slightly tighten the brass nut mandrel (1)
(2) Failure: 9 x 1.9 O-ring excessive wear; Remedy: exchange O-ring (2)
Symptom: gun with a muzzle out of port oil spill
(1) Failure: paving the main valve is debris (such as hose fittings when installing scraping, tape, etc.); exclusion method: split the nut (6) Remove the main valve (4), clear the debris.
(2) Failure: return valve paving the culvert; exclusion method: rotating the screw (13), pull out the nozzle to remove debris.
(3) failure reasons: the main valve gasket damaged; exclusion method: open the nut (6) Remove the main valve (4) Replacement seals (5)
Symptom: low-grade fuel is not self-appointed position
(1) Failure: a pipe O-ring damage; exclusion method: rotating the screw (13), pull out the nozzle, replace the O-ring (10,11)
(2) Failure: tanker pressure is too low; Remedy: increase the pressure on tanker pump
Symptom: totally self-proclaimed
(1) Failure: Long-term or placed in moist place without causing rust ball;
Remedy: open the black cover (8) Replacement of steel ball (7)
(2) Failure: Due to uninstall the tubing so that O-ring complete rupture; Remedy: Replace the O-ring (10,11)
Symptom: self-proclaimed allergies, high-grade fuel will not work
(1) Failure: tanker working too; Remedy: reduce the pressure on tanker pump
(2) Failure: barrel compensation pores blocked by debris; exclusion method: force fierce blow to debris discharge port
Symptom: to shoot, but not oil
(1) Failure: dispenser is not full of oil, the tanker hose with air; Remedy: Remove the oil gun to the first oil tanker, and then install the oil gun
(2) Failure: 9 × 1.9O-ring excessive wear; Remedy: exchange O-ring (2)
Symptom: gear slipping
Failure: wear of the top file off slip; exclusion method: file with the board file in the top piece (12) contact to be rough on the file
Symptom: After the handle does not reset or self-proclaimed heavy fire
(1) Failure: Push rod nut screw tight; Remedy: instincts to subside somewhat brass nuts (1) to reduce friction
(2) Failure: mandrel drying; Remedy: Push rod (3) filling oil.
